# K971429: Interseal Acetabular Screw Hole Plug

- Pathway: 510(k) (Traditional)
- Applicant: Wrightmedicaltechnologyinc
- Decided: Jul 9, 1997 after 82 days
- Product code: LPH (Prosthesis, Hip, Semi-Constrained, Metal/Polymer, Porous Uncemented)
- Device class: 2
- Regulation: 21 CFR 888.3358
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
No later device cites it as a predicate yet.
0 of 1 device in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. The FDA summary names its predicate without a number.
- (no number) INTERSEAL® Apical Hole Plug: named in the summary without a submission number
- (no number) Opti-Fix Cement Spacer Pod: named in the summary without a submission number

## Indications for use
The INTERSEAL® Acetabular Cup is indicated for use in total hip arthroplasty for reduction or relief of pain and/or improved hip function in skeletally mature patients with the following conditions: 1) non-inflammatory degenerative joint disease such as osteoarthritis, avascular necrosis, ankylosis, protrusio acetabuli, and painful hip dysplasia; 2) inflammatory degenerative joint disease such as rheumatoid arthritis; 3) correction of functional deformity; 4) revision procedures where other treatments or devices have failed; and, 5) treatment of nonunion, femoral neck and trochanteric fractures of the proximal femur with head involvement that are unmanageable using other techniques.

Source page: https://510kreport.com/device/K971429
Methodology: https://510kreport.com/methodology